The act of defecating into one's Air Duct or AC System, causing a foul shit-like smell within the entire facility.
My Boss fired me and I got back at his Bitch Ass by giving the office a "Grumpy Muffler", that'll teach them!!
by Ass-lickin-lova December 12, 2023
Get the Grumpy Muffler mug.A grumpy as per Johnny Depp vs Amberd Heard - "a human being had dropped a grumpy onto the bed" to shit the bed and leave it for someone else to find.
by Grumpyhunter July 7, 2023
Get the Grumpy mug.by coppernickelfish May 2, 2022
Get the grumpy mug.A grumpy fart is when ur bowels in ur asshole drop a megafuckton of octaves and make a sound that sounds like a whale just two steped a giraffe
by Mr Chico Xeen May 8, 2022
Get the grumpy fart mug.by Himchickenrich May 10, 2022
Get the Grumpy Member mug.by Palmer McCshitter June 4, 2022
Get the Grumpy Dumpy mug.by Palmer McCshitter June 4, 2022
Get the Grumpy dumpy mug.